Is hair serum profitable to sell on Amazon United States?

The niche generates $1.3M/yr across 25 tracked products. 4 of 4 products launched in the last 360 days are still selling. 90-day search growth is +5.2%. Flapen's verdict: Skip it (47/100).

How competitive is the hair serum niche?

3 brands and 121 sellers compete. The top 5 products take 59% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in hair serum?

Top complaints mined from reviews: Smell, Hair Related, Moist/Dry. The return rate is 0.3%.

When does demand for hair serum peak?

Demand peaks in Jul; the busiest month runs 1.9× the quietest.

What does it cost to enter the hair serum niche?

Listings span $3.93–$17.27; the average listing price is $9.51 (sweet spot $15–$100). The average incumbent carries 15,355 reviews — the moat a new listing must climb.

hair serum

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Returns

Incredible0.3%

return rate — above 5% kills the launch gate

Market size

Great$1.3M

$1.3M/yr · 1.8M searches

Conversion

Great7.7%

search→purchase rate — share of searches ending in a sale

Competition

Okay59%

top-5 click share — leaders hold, buyers still browse

Growth

Okay+5.2%

90-day search growth — must beat 0% to launch

Avg price

Okay$9.51

avg listing price — sweet spot $15–$100

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Review moat

Bad15,355.4

avg incumbent reviews — the moat a new listing must climb

Price range

Bad$3.93–$17.27

cheapest to priciest tracked listing — scored on the share inside $15–$100

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, hair serum is a $1.3M/yr Amazon United States market (1.8M searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jul. Verdict: Skip it — 47/100.

Data updated Jul 14, 2026 · scored weekly · How we score niches

hair serum market data

Units sold / yr: 125K–150K; avg 4,000–5,000/product
Revenue / yr: $1.2M–$1.4M; units × avg price
Conversion rate: 7.7%
Avg BSR: #59
Page quality: 0%
Prime: 100%
Sponsored: 68%
Out of stock: 0.0%
Avg brand age: 70 months
Avg seller age: 125 days

Competition & brand share

The top 5 products take 59% of clicks — established leaders, but buyers still shop beyond them.

Brands

3 falling

Sellers

121

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

59%

Top 20: 93%

Open market

Garnier92%
John Frieda6%
L'Oreal Paris1%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +5.2% search growth over the last 90 days.

Peak months: Jul · busiest ÷ quietest = 1.9×

Open Trend

Top hair serum search terms

garnier438K/yr +10.7%1.9% conv.
garnier fructis sleek and shine255K/yr +33.7%12.1% conv.
garnier fructis323K/yr -3.8%3.8% conv.
anti frizz hair serum125K/yr -2.3%3.0% conv.
fructis hair products130K/yr -19.9%5.9% conv.
frizz ease serum71K/yr +21.5%12.1% conv.
overnight hair serum44K/yr -3.9%0.5% conv.
anti frizz serum43K/yr +12.9%2.9% conv.
hair smoothing serum40K/yr +8.1%0.8% conv.
garnier sleek and shine35K/yr +3.0%8.6% conv.

All search terms

Top hair serum products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Garnier Fructis Sleek & Shine Anti-Frizz Hair Serum for Frizzy Dry Hair Leave-In Argan Oil Infused Formula with Up to 72HRs of Frizz Control Smooths Flyaways & Boosts Hair Shine 5.1 Fl Oz

Garnier$6.814.6★44,462 rev

Garnier Fructis Diamond Sleek Hair Shine Spray Up to 100-Hour Frizz Control Heat Protectant up to 450F with Vegan Keratin Smoothing Complex and Argan Oil for Frizzy Dry Dull Hair 4.6 Fl Oz

Garnier$7.744.4★998 rev

Garnier Fructis Sleek & Shine Leave-In Conditioner Cream Anti-Frizz Hair Treatment with Plant Keratin + Argan Oil Controls Frizz and Provides Smoothness For Frizzy Dry Hair 10.2 Fl Oz (Pack of 2)

Garnier$8.704.7★26,608 rev

Garnier Fructis Sleek & Shine 10-in-1 Leave In Conditioner Spray for Dry Frizzy Hair Heat Protectant Up to 450F with Argan Oil & Plant Keratin Provides Flyaway and Frizz Control 8.1 Fl Oz

Garnier$7.824.6★6,051 rev

John Frieda Frizz Ease Extra Strength Hair Serum for Thick & Coarse Hair Anti-Frizz Smoothing Serum with Argan & Coconut Oil 1.69 fl oz

John Frieda$9.924.4★19,708 rev

Newest

by launch date

Garnier Fructis Diamond Sleek Hair Shine Spray Up to 100-Hour Frizz Control Heat Protectant up to 450F with Vegan Keratin Smoothing Complex and Argan Oil for Frizzy Dry Dull Hair 4.6 Fl Oz

Garnier$7.74998 rev

6mo ago

John Frieda Frizz Ease Extra Strength Hair Serum for Thick & Coarse Hair Anti-Frizz Smoothing Serum with Argan & Coconut Oil 1.69 fl oz

John Frieda$9.9219,708 rev

6mo ago

Garnier Fructis Curl Nourish Air Dry Cream XL Leave In Conditioner Sulfate-Free Curl Defining Cream For Moisture and Frizz Control Waves Curls and Coils Value Size 16.9 Fl Oz

Garnier$9.526,672 rev

7mo ago

John Frieda Frizz Ease Extra Strength Hair Serum for Thick & Coarse Hair Anti-Frizz Smoothing Serum with Argan & Coconut Oil 1.69 fl oz Pack of 2

John Frieda$17.271,512 rev

7mo ago

Garnier Fructis Sleek and Shine Sleek and Stay Hair Serum for Frizzy Dry Hair Heat Protectant Formulated with Alpha Silane 1.7 Fl Oz(Packaging May Vary)

Garnier$8.791,421 rev

1y ago

What buyers say about hair serum

What buyers praise and complain about, mined from review topics.

What buyers love

Smell18%

“Light scent”

Quality-Overall11%

“Its also very affordable for the quality”

Value For Money8%

“is affordable”

Soft Feel7%

“leaves hair soft”

Suitability Curly Hair5%

“It works great for my curly hair”

Moist/Dry5%

“helps to moisturize”

Brightness/Shine/Glow4%

“Sleek and shine”

Hair Styling4%

“Styling your hair”

Cleansing3%

“Gentle cleanser”

Suitability Straight Hair3%

“Smooth hair”

What buyers complain about

Smell9%

“unpleasant smell”

Hair Related7%

“This did not hold my hair into place at all”

Moist/Dry6%

“No moisture”

Oily/Greasy5%

“Very greasy”

Functionality-Overall5%

“never worked at all”

Suitability Short Hair4%

“Didnt work for my hair”

Value For Money4%

“Waste of money”

Adhesion/Stickiness3%

“Gone are the sticky”

Allergies2%

“Made my eyes itch”

Brightness/Shine/Glow2%

“Lacking shine”

Top return reasons

Leak-Proof14%

Functionality-Overall13%

Advertised Vs Actual Product9%

Smell9%

Suitability Short Hair7%